Weather on March 20 at Grand Canyon

Grand Canyon National Park

AZSouthwest7,000 ft elevation
Avg High54°F
Avg Low23°F
Warmest202656°F
Coldest198222°F

Based on 56 years of data from Flagstaff, AZ

Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.

Planning Your Visit

March 20th in Grand Canyon National Park (via Flagstaff, AZ) typically brings cool spring weather, with average highs around 54°F and lows near 23°F — a 31°F daily swing. Over 56 years of records, the warmest March 20th was in 2026 (56°F average), while the coldest was 1982 (22°F) — a 34°F range across recorded history. Precipitation has occurred on 23% of recorded March 20th dates, with snow falling 13% of the time (heaviest snowfall: 7.8"). Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for March 20th in Grand Canyon? Bring layers as temperatures can vary throughout the day.

Year by Year History

YearHighLowPrecipSnow
202683°F30°F0"0"
202553°F17°F0"0"
202452°F24°F0"0"
202337°F29°F0.56"0.3"
202249°F30°F0.2"0"
202156°F27°F0"0"
202039°F15°F0"0"
201956°F26°F0.03"0"
201855°F16°F0"0"
201768°F32°F0"0"
201665°F25°F0"0"
201560°F25°F0"0"
201459°F17°F0"0"
201357°F26°F0"0"
201240°F16°F0"0"
201151°F34°F0"0"
201047°F22°F0"0"
200963°F28°F0"0"
200858°F26°F0"0"
200760°F25°F0"0"
200634°F26°F0.03"0.4"
200542°F28°F0.53"0"
200472°F27°F0"0"
200347°F26°F0"--
200262°F17°F0"--
200166°F24°F0"0"
200044°F23°F0.48"--
199961°F23°F0"--
199855°F22°F0"--
199770°F24°F0"--
199665°F19°F0"0"
199559°F32°F0"0"
199449°F32°F0.28"0"
199358°F27°F0"0"
199258°F20°F0"0"
199141°F16°F0.86"4.7"
199064°F28°F0"0"
198950°F28°F0"0"
198867°F15°F0"0"
198741°F12°F0.03"0.2"
198655°F12°F0"0"
198557°F26°F0"0"
198466°F23°F0"0"
198344°F15°F0"0"
198242°F2°F0"0"
198146°F24°F1.75"7.8"
198045°F20°F0"0"
197934°F26°F1.32"5"
197863°F29°F0"0"
197754°F23°F0"0"
197648°F20°F0"0"
197555°F28°F0"0"
197453°F37°F0.1"0"
197343°F20°F1.63"5.8"
197261°F20°F0"0"
197158°F22°F0"0"

March 20 at Nearby Parks

Holiday Weather at Grand Canyon

Official NPS WebsiteVisit nps.gov/grca for park information, alerts, and reservations

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